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It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
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View All PlansThe Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
By adding a tanker endorsement to your Washington Commercial Driver’s License (CDL), you can enjoy a new career perspective as fresh as the apples grown in Yakima. A tanker endorsement allows you to transport a wider variety of cargoes and qualify for more driving opportunities. As a tanker driver, you must be aware of the rules and regulations for safely operating these vehicles. Besides driving the vehicle, you are required to know the nuts and bolts of maintaining the security of your load. There are numerous on-line resources available to teach you about tanker operations, but you should consider an innovative study method that delivers results unmatched by them.
Compared with traditional study methods, you will be more satisfied with the instruction offered by our Washington DOL CDL tanker endorsement practice test. You must meet several requirements to obtain a tanker endorsement, including passing the official knowledge test. The practice test is interactive. It provides a real-time evaluation of your proficiency level and helps identify the information you must better understand. It contains 20 questions, similar to those on the official knowledge test, to provide a sense of the actual testing environment. Using the practice test, you will receive the necessary training to correctly answer the required 80% of the 20 questions on the official knowledge test. You will absorb this information in a stress-free atmosphere promoting your skill development.
M.S., Chief Educational Researcher (ACES member)
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This Washington DOL CDL tanker endorsement practice test eliminates your learning obstacles and allows you to experience rapid progress in enhancing your driving skills. The practice test provides expert instruction using reliable and authoritative information. It is based on the most recent Washington DOL CDL manual (Washington CDL Handbook 2025) and is up to date as of December 2025. If you get a question wrong, the practice test will provide a detailed explanation of the correct answer, taken directly from the CDL manual. There is no better source to validate the information and give you the confidence to use it. You will better understand the logic supporting the answer and be able to apply it to various driving scenarios. The practice test is designed to boost your skills and confidence to levels that allow you to pass the official knowledge test on your first try. Unlike the practice test, traditional study methods do not help you correct your wrong answers. For instance, a study guide trains you to memorize the answers to the questions but provides no assistance in locating the information needed to eliminate your misconceptions. The practice test offers a time-saving approach that prevents you from becoming frustrated and supports your success.
For additional driving opportunities, you should consider adding a Hazardous Materials (HazMat) endorsement to your CDL. You can find our HazMat endorsement practice test at https://driving-tests.org/washington/wa-cdl-hazmat-practice-test/. This practice test will teach you the rules and regulations for transporting hazardous materials.
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Driver’s Ed is - nobody wants to set foot inside the DOL. That’s why millions of learners trust us for simple, visual, effective prep.
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
We build our practice questions from the current 2025 WA Driver Handbook and refine them using patterns recent test‑takers report.
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
We don’t collect or publish actual test items and we’re not affiliated with DOL.
The Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
